I must plan you must plan she must plan we must plan you must plan they must plan
Forma con V-ing
I must be planning you must be planning she must be planning we must be planning you must be planning they must be planning
Perfecto
I must have planned you must have planned she must have planned we must have planned you must have planned they must have planned
Perfecto con V-ing
I must have been planning you must have been planning she must have been planning we must have been planning you must have been planning they must have been planning
Negación
Forma simple
I must not plan you must not plan she must not plan we must not plan you must not plan they must not plan
Forma con V-ing
I must not be planning you must not be planning she must not be planning we must not be planning you must not be planning they must not be planning
Perfecto
I must not have planned you must not have planned she must not have planned we must not have planned you must not have planned they must not have planned
Perfecto con V-ing
I must not have been planning you must not have been planning she must not have been planning we must not have been planning you must not have been planning they must not have been planning
Forma interrogativa
Forma simple
must I plan? must you plan? must she plan? must we plan? must you plan? must they plan?
Forma con V-ing
must I be planning? must you be planning? must she be planning? must we be planning? must you be planning? must they be planning?
Perfecto
must I have planned? must you have planned? must she have planned? must we have planned? must you have planned? must they have planned?
Perfecto con V-ing
must I have been planning? must you have been planning? must she have been planning? must we have been planning? must you have been planning? must they have been planning?
Forma interro-negativa
Forma simple
must I not plan? must you not plan? must she not plan? must we not plan? must you not plan? must they not plan?
Forma con V-ing
must I not be planning? must you not be planning? must she not be planning? must we not be planning? must you not be planning? must they not be planning?
Perfecto
must I not have planned? must you not have planned? must she not have planned? must we not have planned? must you not have planned? must they not have planned?
Perfecto con V-ing
must I not have been planning? must you not have been planning? must she not have been planning? must we not have been planning? must you not have been planning? must they not have been planning?